add mysql jdbc driver in runtime scope,so that shiro jdbcRealm can use it
add mysql jdbc driver in runtime scope,so that shiro jdbcRealm can use it

spacewalkman/incubator-zeppelin,spacewalkman/incubator-zeppelin,spacewalkman/incubator-zeppelin,spacewalkman/incubator-zeppelin,spacewalkman/incubator-zeppelin,spacewalkman/incubator-zeppelin,spacewalkman/incubator-zeppelin